3. The Next Steps for Human Space Exploration: What are the Alternatives?

Papers

1. why go to the moon? the many faces of lunar policy

2. An Affordable Program of Human Missions Beyond Low Earth Orbit

3. The Use of Deep Space Port at L1 and L2 points in Sun-Earth and Earth-Moon systems with Low Thrust Departure / Return Flight Strategy

4. The Jupiter Launch System - A Direct Derivative of the Space Transportation System (STS)

5. Exploration Missions in the Sun-Earth-Moon System: A Detailed View on Selected Transfer Problems

6. Does the NASA Constellation Architecture Offer Opportunities to Achieve Multiple Additional Goals in Space?

7. A study of Earth-Mars interplanetary transfer using spaceports at the Halo orbits of Sun-Earth and Sun-Mars system

8. An Integrated Scenario to Pursue European Stakeholder Objectives in the International Context of Future Space Exploration